Pollarding is done at a height of _____ above the ground level .
Pollarding consists of cutting a sapling or pole tree at 2-2.5 m height above the ground level so that it produces new shoots from below the cut.
Kaolinite is
The silk fibres are held together in cocoon by a substance known as……………………
The indicator plant for zinc deficiency is ____
The Indian seed act was passed in the year
What chemical process results in the breakdown of silicate minerals by water, leading to the formation of clay minerals and soluble substances?
What is soil sickness?
Reward of land is
According to USDA classification of salt affected soils; a soil having EC >4 mmho/cm; ESP >15; pH
The soil amendment used for the reclamation of Sodic soil is
Under Soil Health Card Scheme, what is the cycle of testing of soil for irrigated area and area from which single sample is to be drawn?
